package com.jcf.springboot.common.utils;

import org.apache.commons.codec.digest.DigestUtils;

/**
 * @author test
 * @since 2022/6/17
 */
public class MD5Utils {

  public static String md5(String src) {
    return DigestUtils.md5Hex(src);
  }

  private static final String salt = "1a2b3c4d";

  /**
   * 第一次md5
   * @param inputPass
   * @return
   */
  public static String inputPassToFormPass(String inputPass) {
    String str = ""+salt.charAt(0)+salt.charAt(2) + inputPass +salt.charAt(5) + salt.charAt(4);
    System.out.println(str);
    return md5(str);
  }

  /**
   * 第二次md5
   * @param formPass
   * @param salt
   * @return
   */
  public static String formPassToDBPass(String formPass, String salt) {
    String str = ""+salt.charAt(0)+salt.charAt(2) + formPass +salt.charAt(5) + salt.charAt(4);
    return md5(str);
  }

  /**
   * 两次md5
   * @param inputPass
   * @param saltDB
   * @return
   */
  public static String inputPassToDbPass(String inputPass, String saltDB) {
    String formPass = inputPassToFormPass(inputPass);
    String dbPass = formPassToDBPass(formPass, saltDB);
    return dbPass;
  }

  public static void main(String[] args) {
    System.out.println(inputPassToFormPass("123456"));//d3b1294a61a07da9b49b6e22b2cbd7f9
//		System.out.println(formPassToDBPass(inputPassToFormPass("123456"), "1a2b3c4d"));
    System.out.println(inputPassToDbPass("123456", "1a2b3c4d"));//b7797cce01b4b131b433b6acf4add449
  }

}
